Most people discover VibePi when they're grinding for a job interview. But the feedback engine works just as well for a conference talk, a client pitch, or any other situation where the words coming out of your mouth actually matter.
I Found VibePi Before a Conference Talk, Not a Job Interview
The first time I seriously used VibePi wasn't to prep for an interview. It was two weeks before I was supposed to give a 25-minute talk at a local developer meetup. I'd written the slides, I knew the material, but every time I ran through it alone in my room I either went way over time or sounded like I was reading a Wikipedia article out loud.
A colleague mentioned VibePi. I assumed it was just an interview tool. The app description even says "AI interview coach." But I figured I'd try it anyway — a spoken presentation and a spoken interview answer are not that different. You have limited time, someone is judging your delivery, and filler words will absolutely undermine whatever smart thing you're saying.
Turns out it works really well for anything where you speak under pressure.
For anyone who hasn't used it: you open VibePi, pick a scenario (or build a custom one), hit record, and speak your answer. The AI listens and then gives you feedback across a few dimensions:
Content — did you actually answer the question, cover the key points, structure your response logically
Delivery — pacing, confidence, how you're projecting
Filler words — the ums, uhs, "like"s, and "you know"s that slip in when you're thinking on your feet
Improvement over time — it tracks your sessions so you can actually see whether you're getting better
That last one matters more than it sounds. When you're self-coaching, it's easy to feel like you're improving when you're mostly just getting more comfortable with the same bad habits. Having a score that changes (or doesn't) keeps you honest.
Using It for Conference Talk Rehearsal
For my meetup talk, I broke the session into chunks instead of trying to rehearse the whole 25 minutes at once. I'd take one section — say, the three-minute intro — and record it in VibePi with a custom prompt like "You're opening a technical talk on API design for a developer audience. Explain why REST conventions are still worth caring about in 2025."
Then I'd look at the feedback. My pacing was fine. My filler word problem was "essentially" — I was saying it roughly once every 90 seconds without noticing. The AI flagged it every single time.
After four or five sessions on just that intro, the "essentially" count dropped to zero and my confidence score noticeably ticked up. Not because I memorised lines, but because I'd found a natural rhythm for those ideas and stopped leaning on filler as a crutch.
The talk went well. More importantly, I didn't have that specific post-talk cringe of hearing yourself say "um, essentially" on the recording.
Job interviews and conference talks have something in common: there's a right answer, or at least a right structure. Client pitches are messier. You're often trying to explain technical decisions to non-technical stakeholders, and the challenge isn't just delivery — it's framing.
I've started using VibePi before bigger client calls by setting up a scenario that mirrors the actual meeting. Something like: "You're pitching a backend architecture overhaul to a CTO and a Head of Product. The CTO is technical, the Head of Product is not. Explain why you're recommending a move from a monolith to services without making it sound like a risky rewrite."
The AI won't perfectly simulate a real client, but that's not the point. The point is that speaking it out loud — out loud, not just rehearsing in your head — forces you to find the words. The feedback tells you whether you actually landed the explanation or drifted into jargon that would lose half the room.
Onboarding Talks and Internal Presentations
This one's underrated. If you're a senior engineer or a tech lead, you probably give some version of an onboarding talk every time someone new joins the team. Most people wing it every time, and every time it comes out slightly different and slightly worse than it could be.
Record a session in VibePi. "You're onboarding a new mid-level engineer to a codebase that has a complex async job queue. Walk them through how the queue works, why it was built this way, and what they should know to avoid breaking it."
You'll probably discover that your explanation has three or four places where you've been glossing over something that's actually confusing to someone who hasn't lived in that code for two years. The AI's content feedback will flag when your response is vague or incomplete. That's the same thing a new team member would feel — they'd just be too polite to say it.
via GIPHYThe Unlimited Practice Part Is Not a Small Thing
A lot of speaking coaches are either expensive or limited to a fixed number of sessions. VibePi gives you unlimited practice, which means you can actually grind. You can do ten reps of the same pitch until it stops feeling like a pitch and starts feeling like a conversation. You can do that at 11pm the night before the presentation without feeling like you're burning through some finite resource.
That accessibility changes how you prepare. Instead of saving practice for "when it really matters," you do it more often, which means you get better faster.
One Practical Setup
If you want to use VibePi for a specific upcoming talk or pitch, here's the workflow I've settled on:
Write out the key points you want to hit — not a script, just the three to five things that need to land
Build a custom scenario in VibePi that mirrors your actual audience and context
Do a cold run first, no prep, just to hear where you are
Review the feedback, focus on one thing (usually pacing or a specific filler word)
Do four to six more sessions over the following days, ideally not all at once
Do one final cold run the night before
The improvement between your first cold run and your final one is usually pretty striking. And because VibePi tracks it, you can actually see the delta instead of just feeling like you prepared.
Download VibePi on iOS or Android. If you're already using it just for interview prep, try building a custom scenario for the next presentation or pitch you have coming up. The feedback engine doesn't care what kind of high-stakes speaking you're doing — it just cares whether you're clear, confident, and not saying "essentially" every 90 seconds.
